Fabrication of In doped ZnO thin films by spray pyrolysis as photoanode in DSSCs

被引：27
作者：
Dhamodharan, P. [1 ,2 ]
Chen, Jian [1 ]
Manoharan, C. [2 ]
机构：
[1] Southeast Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Adv Metall Mat, Nanjing 211189, Peoples R China
[2] Annamalai Univ, Dept Phys, Chidambaram 608002, Tamil Nadu, India
来源：
SURFACES AND INTERFACES | 2021年 / 23卷
关键词：
Indium doped ZnO; XPS; Nanofiber; Dye extracting temperature; DSSCs; OPTICAL-PROPERTIES; ELECTRICAL-PROPERTIES; PHOTOVOLTAIC PERFORMANCE; DOPING CONCENTRATION; DYE; CONDUCTIVITY; OXIDE; DEPOSITION; NANORODS; MICROSTRUCTURES;
D O I：
10.1016/j.surfin.2021.100965
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Highly compact and transparent pristine ZnO and indium doped ZnO (IZO) thin films have been successfully deposited on ITO substrates and their performance as photoanode in DSSCs were investigated. The structural analysis confirmed the wurtzite structure of ZnO with preferential orientation (002). The FESEM images depicted the granular and porous structure for the pristine ZnO and the nanofiber network structure for the IZO thin films. The porous nature with smaller roughness measured by AFM was the essential factors for achieving high performance in photovoltaic applications. IZO films showed high optical transmittance in the visible region. A minimum resistivity of 1.22 x 10(-3) Omega cm and highest electron concentration of 10.74 x 10(19 )cm(3) were achieved for 1.5 at.% of In dopant. The photovoltaic performance of IZO as a photoanode in DSSCs showed the highest power conversion efficiency of 1.09%. The preparation temperature and the solvent used for the preparation of natural dye were optimized to increase the efficiency of the solar cell.
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页数：12
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